HK1119824A1 - Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples - Google Patents

Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples

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Publication number
HK1119824A1
HK1119824A1 HK08112967.6A HK08112967A HK1119824A1 HK 1119824 A1 HK1119824 A1 HK 1119824A1 HK 08112967 A HK08112967 A HK 08112967A HK 1119824 A1 HK1119824 A1 HK 1119824A1
Authority
HK
Hong Kong
Prior art keywords
generating
subband values
audio
audio samples
domain audio
Prior art date
Application number
HK08112967.6A
Other languages
English (en)
Inventor
Markus Schnell
Manfred Lutzky
Markus Lohwasser
Markus Schmidt
Marc Gayer
Michael Mellar
Bernd Edler
Markus Multrus
Gerald Schuller
Ralf Geiger
Bernhard Grill
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of HK1119824A1 publication Critical patent/HK1119824A1/xx

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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/45Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of analysis window
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0248Filters characterised by a particular frequency response or filtering method
    • H03H17/0264Filter sets with mutual related characteristics
    • H03H17/0266Filter banks
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Liquid Crystal Substances (AREA)
  • Tires In General (AREA)
  • External Artificial Organs (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Peptides Or Proteins (AREA)
  • Materials For Photolithography (AREA)
HK08112967.6A 2006-10-25 2008-11-27 Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples HK1119824A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86295406P 2006-10-25 2006-10-25
PCT/EP2007/009200 WO2008049590A1 (en) 2006-10-25 2007-10-23 Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples

Publications (1)

Publication Number Publication Date
HK1119824A1 true HK1119824A1 (en) 2009-03-13

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HK08112967.6A HK1119824A1 (en) 2006-10-25 2008-11-27 Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples
HK18110291.5A HK1251073A1 (zh) 2006-10-25 2018-08-10 用於產生音訊子帶值的裝置與方法以及用於產生時域音訊採樣的裝置和方法

Family Applications After (1)

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HK18110291.5A HK1251073A1 (zh) 2006-10-25 2018-08-10 用於產生音訊子帶值的裝置與方法以及用於產生時域音訊採樣的裝置和方法

Country Status (26)

Country Link
US (12) US8438015B2 (no)
EP (10) EP2109098B1 (no)
JP (2) JP4936569B2 (no)
KR (2) KR100957711B1 (no)
CN (2) CN101606194B (no)
AR (2) AR063400A1 (no)
AT (1) ATE435480T1 (no)
AU (2) AU2007308415B2 (no)
BR (2) BRPI0709310B1 (no)
CA (2) CA2667505C (no)
DE (1) DE602007001460D1 (no)
DK (2) DK1994530T3 (no)
ES (6) ES2966657T3 (no)
FI (1) FI3848928T3 (no)
HK (2) HK1119824A1 (no)
HU (1) HUE064482T2 (no)
IL (2) IL193786A (no)
MX (2) MX2008011898A (no)
MY (2) MY142520A (no)
NO (3) NO341567B1 (no)
PL (6) PL2076901T3 (no)
PT (5) PT3288027T (no)
RU (2) RU2420815C2 (no)
TW (2) TWI355649B (no)
WO (2) WO2008049589A1 (no)
ZA (2) ZA200810308B (no)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8438015B2 (en) 2006-10-25 2013-05-07 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples
USRE50158E1 (en) 2006-10-25 2024-10-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples
WO2008072524A1 (ja) * 2006-12-13 2008-06-19 Panasonic Corporation オーディオ信号符号化方法及び復号化方法
US8214200B2 (en) * 2007-03-14 2012-07-03 Xfrm, Inc. Fast MDCT (modified discrete cosine transform) approximation of a windowed sinusoid
ATE500588T1 (de) * 2008-01-04 2011-03-15 Dolby Sweden Ab Audiokodierer und -dekodierer
EP2261896B1 (en) * 2008-07-29 2017-12-06 Yamaha Corporation Performance-related information output device, system provided with performance-related information output device, and electronic musical instrument
US8737638B2 (en) * 2008-07-30 2014-05-27 Yamaha Corporation Audio signal processing device, audio signal processing system, and audio signal processing method
US9384748B2 (en) * 2008-11-26 2016-07-05 Electronics And Telecommunications Research Institute Unified Speech/Audio Codec (USAC) processing windows sequence based mode switching
KR101424944B1 (ko) * 2008-12-15 2014-08-01 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 인코더 및 대역폭 확장 디코더
PL3751570T3 (pl) 2009-01-28 2022-03-07 Dolby International Ab Ulepszona transpozycja harmonicznych
WO2010086461A1 (en) 2009-01-28 2010-08-05 Dolby International Ab Improved harmonic transposition
TWI618352B (zh) * 2009-02-18 2018-03-11 杜比國際公司 用於高頻重建或參數立體聲之複指數調變濾波器組
US8392200B2 (en) 2009-04-14 2013-03-05 Qualcomm Incorporated Low complexity spectral band replication (SBR) filterbanks
WO2011001589A1 (ja) * 2009-06-29 2011-01-06 三菱電機株式会社 オーディオ信号処理装置
CN101958119B (zh) * 2009-07-16 2012-02-29 中兴通讯股份有限公司 一种改进的离散余弦变换域音频丢帧补偿器和补偿方法
FR2949582B1 (fr) * 2009-09-02 2011-08-26 Alcatel Lucent Procede pour rendre un signal musical compatible avec un codec a transmission discontinue ; et dispositif pour la mise en ?uvre de ce procede
CN102318004B (zh) * 2009-09-18 2013-10-23 杜比国际公司 改进的谐波转置
KR101309671B1 (ko) * 2009-10-21 2013-09-23 돌비 인터네셔널 에이비 결합된 트랜스포저 필터 뱅크에서의 오버샘플링
CA2782338C (en) * 2009-11-30 2014-12-30 Akinori Fujimura Demultiplexing device, multiplexing device, and relay device
BR122019025154B1 (pt) 2010-01-19 2021-04-13 Dolby International Ab Sistema e método para gerar um sinal transposto de frequência e/ou estendido no tempo a partir de um sinal de áudio de entrada e meio de armazenamento
JP5782677B2 (ja) 2010-03-31 2015-09-24 ヤマハ株式会社 コンテンツ再生装置および音声処理システム
BR112012026326B1 (pt) * 2010-04-13 2021-05-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V método e codificador e decodificador para representação com amostragem precisa de um sinal de áudio
US9443534B2 (en) 2010-04-14 2016-09-13 Huawei Technologies Co., Ltd. Bandwidth extension system and approach
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
PL4016527T3 (pl) 2010-07-19 2023-05-22 Dolby International Ab Przetwarzanie sygnałów audio podczas rekonstrukcji wysokich częstotliwości
CN101908342B (zh) * 2010-07-23 2012-09-26 北京理工大学 利用频域滤波后处理进行音频暂态信号预回声抑制的方法
US8755460B2 (en) * 2010-07-30 2014-06-17 National Instruments Corporation Phase aligned sampling of multiple data channels using a successive approximation register converter
US8762158B2 (en) * 2010-08-06 2014-06-24 Samsung Electronics Co., Ltd. Decoding method and decoding apparatus therefor
FR2969804A1 (fr) * 2010-12-23 2012-06-29 France Telecom Filtrage perfectionne dans le domaine transforme.
AU2012217156B2 (en) 2011-02-14 2015-03-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Linear prediction based coding scheme using spectral domain noise shaping
EP3239978B1 (en) 2011-02-14 2018-12-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of pulse positions of tracks of an audio signal
CA2827249C (en) 2011-02-14 2016-08-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing a decoded audio signal in a spectral domain
MX2013009304A (es) 2011-02-14 2013-10-03 Fraunhofer Ges Forschung Aparato y metodo para codificar una porcion de una señal de audio utilizando deteccion de un transiente y resultado de calidad.
AU2012217158B2 (en) 2011-02-14 2014-02-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Information signal representation using lapped transform
CN103620672B (zh) 2011-02-14 2016-04-27 弗劳恩霍夫应用研究促进协会 用于低延迟联合语音及音频编码(usac)中的错误隐藏的装置和方法
FR2977439A1 (fr) * 2011-06-28 2013-01-04 France Telecom Fenetres de ponderation en codage/decodage par transformee avec recouvrement, optimisees en retard.
FR2977969A1 (fr) * 2011-07-12 2013-01-18 France Telecom Adaptation de fenetres de ponderation d'analyse ou de synthese pour un codage ou decodage par transformee
EP2573761B1 (en) 2011-09-25 2018-02-14 Yamaha Corporation Displaying content in relation to music reproduction by means of information processing apparatus independent of music reproduction apparatus
US9530424B2 (en) 2011-11-11 2016-12-27 Dolby International Ab Upsampling using oversampled SBR
JP5494677B2 (ja) 2012-01-06 2014-05-21 ヤマハ株式会社 演奏装置及び演奏プログラム
EP2717262A1 (en) * 2012-10-05 2014-04-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding
ES2603827T3 (es) 2013-02-05 2017-03-01 Telefonaktiebolaget L M Ericsson (Publ) Método y aparato para controlar la ocultación de pérdida de trama de audio
KR101632238B1 (ko) 2013-04-05 2016-06-21 돌비 인터네셔널 에이비 인터리브된 파형 코딩을 위한 오디오 인코더 및 디코더
TWI557727B (zh) 2013-04-05 2016-11-11 杜比國際公司 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品
CN105247614B (zh) 2013-04-05 2019-04-05 杜比国际公司 音频编码器和解码器
US10893488B2 (en) 2013-06-14 2021-01-12 Microsoft Technology Licensing, Llc Radio frequency (RF) power back-off optimization for specific absorption rate (SAR) compliance
EP2830061A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
KR102329309B1 (ko) 2013-09-12 2021-11-19 돌비 인터네셔널 에이비 Qmf 기반 처리 데이터의 시간 정렬
WO2015041478A1 (ko) * 2013-09-17 2015-03-26 주식회사 윌러스표준기술연구소 멀티미디어 신호 처리 방법 및 장치
CN108347689B (zh) 2013-10-22 2021-01-01 延世大学工业学术合作社 用于处理音频信号的方法和设备
KR102244613B1 (ko) * 2013-10-28 2021-04-26 삼성전자주식회사 Qmf 필터링 방법 및 이를 수행하는 장치
KR102157118B1 (ko) 2013-12-23 2020-09-17 주식회사 윌러스표준기술연구소 오디오 신호의 필터 생성 방법 및 이를 위한 파라메터화 장치
US9832585B2 (en) 2014-03-19 2017-11-28 Wilus Institute Of Standards And Technology Inc. Audio signal processing method and apparatus
US9848275B2 (en) 2014-04-02 2017-12-19 Wilus Institute Of Standards And Technology Inc. Audio signal processing method and device
JP6700507B6 (ja) * 2014-06-10 2020-07-22 エムキューエー リミテッド オーディオ信号のデジタルカプセル化
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
TWI693594B (zh) * 2015-03-13 2020-05-11 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
EP3107096A1 (en) * 2015-06-16 2016-12-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Downscaled decoding
US10847170B2 (en) * 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
WO2017050398A1 (en) 2015-09-25 2017-03-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and methods for signal-adaptive switching of the overlap ratio in audio transform coding
RU2712093C1 (ru) * 2016-03-07 2020-01-24 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Блок маскирования ошибок, аудиодекодер и соответствующие способ и компьютерная программа, использующие характеристики декодированного представления надлежащим образом декодированного аудиокадра
JP6976277B2 (ja) * 2016-06-22 2021-12-08 ドルビー・インターナショナル・アーベー 第一の周波数領域から第二の周波数領域にデジタル・オーディオ信号を変換するためのオーディオ・デコーダおよび方法
EP3276620A1 (en) 2016-07-29 2018-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Time domain aliasing reduction for non-uniform filterbanks which use spectral analysis followed by partial synthesis
US10224974B2 (en) 2017-03-31 2019-03-05 Microsoft Technology Licensing, Llc Proximity-independent SAR mitigation
TWI681384B (zh) * 2018-08-01 2020-01-01 瑞昱半導體股份有限公司 音訊處理方法與音訊等化器
EP4447043A2 (en) * 2019-03-06 2024-10-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio downmixing
CN112447166B (zh) * 2019-08-16 2024-09-10 阿里巴巴集团控股有限公司 一种针对目标频谱矩阵的处理方法及装置
EP3786948A1 (en) * 2019-08-28 2021-03-03 Fraunhofer Gesellschaft zur Förderung der Angewand Time-varying time-frequency tilings using non-uniform orthogonal filterbanks based on mdct analysis/synthesis and tdar
CN111402917B (zh) * 2020-03-13 2023-08-04 北京小米松果电子有限公司 音频信号处理方法及装置、存储介质
US11632147B2 (en) * 2020-08-13 2023-04-18 Marvell Asia Pte, Ltd. Simplified frequency-domain filter adaptation window
CN114007176B (zh) * 2020-10-09 2023-12-19 上海又为智能科技有限公司 用于降低信号延时的音频信号处理方法、装置及存储介质

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US351882A (en) 1886-11-02 Thill-coupling
US3666543A (en) 1969-11-24 1972-05-30 Ludwig Maier Tris-(2-hydroxyalkyl)-phosphine oxide flame retardant articles
HU214139B (en) * 1989-05-17 1997-12-29 Thomson Consumer Electronics Process for transmitting a signal
CN1062963C (zh) 1990-04-12 2001-03-07 多尔拜实验特许公司 用于产生高质量声音信号的解码器和编码器
JP3277682B2 (ja) 1994-04-22 2002-04-22 ソニー株式会社 情報符号化方法及び装置、情報復号化方法及び装置、並びに情報記録媒体及び情報伝送方法
KR100346734B1 (ko) 1995-09-22 2002-11-23 삼성전자 주식회사 고속분석필터및합성필터를구비한오디오부호화기및복호화기
US5819215A (en) 1995-10-13 1998-10-06 Dobson; Kurt Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of digital audio or other sensory data
WO1998035339A2 (en) 1997-01-27 1998-08-13 Entropic Research Laboratory, Inc. A system and methodology for prosody modification
JP3065067B2 (ja) * 1998-03-04 2000-07-12 韓國電氣通信公社 Mpegオ―ディオ多チャンネル処理用等間隔サブバンド分析フィルタ及び合成フィルタ
FI114833B (fi) 1999-01-08 2004-12-31 Nokia Corp Menetelmä, puhekooderi ja matkaviestin puheenkoodauskehysten muodostamiseksi
US6226608B1 (en) 1999-01-28 2001-05-01 Dolby Laboratories Licensing Corporation Data framing for adaptive-block-length coding system
US6510407B1 (en) 1999-10-19 2003-01-21 Atmel Corporation Method and apparatus for variable rate coding of speech
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
US6718300B1 (en) 2000-06-02 2004-04-06 Agere Systems Inc. Method and apparatus for reducing aliasing in cascaded filter banks
JP2002091499A (ja) 2000-06-14 2002-03-27 Texas Instruments Inc ウインドウ圧縮/伸張方法
US6748363B1 (en) 2000-06-28 2004-06-08 Texas Instruments Incorporated TI window compression/expansion method
EP1199711A1 (en) 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Encoding of audio signal using bandwidth expansion
US6996198B2 (en) 2000-10-27 2006-02-07 At&T Corp. Nonuniform oversampled filter banks for audio signal processing
US6707869B1 (en) 2000-12-28 2004-03-16 Nortel Networks Limited Signal-processing apparatus with a filter of flexible window design
SE0101175D0 (sv) 2001-04-02 2001-04-02 Coding Technologies Sweden Ab Aliasing reduction using complex-exponential-modulated filterbanks
US7136418B2 (en) * 2001-05-03 2006-11-14 University Of Washington Scalable and perceptually ranked signal coding and decoding
US7400651B2 (en) 2001-06-29 2008-07-15 Kabushiki Kaisha Kenwood Device and method for interpolating frequency components of signal
JP4012506B2 (ja) 2001-08-24 2007-11-21 株式会社ケンウッド 信号の周波数成分を適応的に補間するための装置および方法
DE10228103A1 (de) 2002-06-24 2004-01-15 Bayer Cropscience Ag Fungizide Wirkstoffkombinationen
EP1543307B1 (en) * 2002-09-19 2006-02-22 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and method
SE0301273D0 (sv) 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
JP3876850B2 (ja) 2003-06-02 2007-02-07 ヤマハ株式会社 アレースピーカーシステム
US7563748B2 (en) 2003-06-23 2009-07-21 Cognis Ip Management Gmbh Alcohol alkoxylate carriers for pesticide active ingredients
EP1513137A1 (en) 2003-08-22 2005-03-09 MicronasNIT LCC, Novi Sad Institute of Information Technologies Speech processing system and method with multi-pulse excitation
TWI227866B (en) 2003-11-07 2005-02-11 Mediatek Inc Subband analysis/synthesis filtering method
CN100573666C (zh) * 2003-11-26 2009-12-23 联发科技股份有限公司 子带分析/合成滤波方法
CN1270290C (zh) * 2003-11-26 2006-08-16 联发科技股份有限公司 子带分析/合成滤波方法
EP1711938A1 (en) 2004-01-28 2006-10-18 Koninklijke Philips Electronics N.V. Audio signal decoding using complex-valued data
CA2457988A1 (en) 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
WO2006000020A1 (en) 2004-06-29 2006-01-05 European Nickel Plc Improved leaching of base metals
SG161223A1 (en) 2005-04-01 2010-05-27 Qualcomm Inc Method and apparatus for vector quantizing of a spectral envelope representation
US7774396B2 (en) 2005-11-18 2010-08-10 Dynamic Hearing Pty Ltd Method and device for low delay processing
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US8036903B2 (en) 2006-10-18 2011-10-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system
US8438015B2 (en) 2006-10-25 2013-05-07 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples
TW200922334A (en) 2007-11-02 2009-05-16 Univ Nat Chunghsing Low complexity frequency field motion estimation method adapted to wavelet video coding

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